find the value of k for which the roots of the quadratic equation 2x²+kx+8=0 will have equal value ​

Question

find the value of k for which the roots of the quadratic equation 2x²+kx+8=0 will have equal value ​

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Brielle 4 days 2021-11-25T21:09:03+00:00 2 Answers 0 views 0

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    0
    2021-11-25T21:10:04+00:00

    Answer:

    the given equation has real roots, a = 2 , b = k and c = 8. D = 0 b2 – 4ac = 0 k2 – 4 * 2 *8 = 0 k2 = 64 k = ± √64 ∴k = ± 8.

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    2021-11-25T21:10:24+00:00

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